Secure design principles: Guides for the design of Cyber Secure systems: Design principles and Operational Technology

Secure design principles:
Guides for the design of Cyber Secure systems:
Design principles and Operational Technology
https://www.ncsc.gov.uk/collection/cyber-security-design-principles/examples/study-operational-tech
icssecurity, infosec, cybersecurity, criticalinfrastructure, IndustrialControlSystems, OT